20137597191

素因数分解:

$3^4\times {\mathrm{149}}^1\times {\mathrm{1668539}}^1$

素因数の和:1668700

約数の個数: 20

約数和(自身を含む): 30284001000

約数和(自身を除く): 10146403809

約数列:

[1, 3, 9, 27, 81, 149, 447, 1341, 4023, 12069, 1668539, 5005617, 15016851, 45050553, 135151659, 248612311, 745836933, 2237510799, 6712532397, 20137597191]

約数ペア:

[(1, 20137597191), (3, 6712532397), (9, 2237510799), (27, 745836933), (81, 248612311), (149, 135151659), (447, 45050553), (1341, 15016851), (4023, 5005617), (12069, 1668539)]